$('.firstmenu').click(function(){
	var $sec = $(this).children('.second');
	$sec.toggle(500);
});

$('.second').click(function($event){
	$event.stopPropagation();
});

$('.gameRule').click(function(){
	$('#cover').fadeIn("slow");
	$('#rule').slideDown("slow");
});

$('.gameDe').click(function(){
	$('#cover').fadeIn("slow");
	$('#Developer').slideDown("slow");
});

$('.guanbi').click(function(){
	$('#Developer').slideUp("slow");
	$('#cover').fadeOut("slow");
	$('#rule').slideUp("slow");
});
